package com.wanglin.reggie.config;

import com.wanglin.reggie.common.JacksonObjectMapper;
import lombok.extern.slf4j.Slf4j;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;

import java.util.List;

/**
 * WebMvcConfig
 *
 * @author 王林
 * @version 1.0
 * @description
 * @date 2025/5/27 16:15
 * @projectName reggie_take_out
 * @package com.wanglin.reggie.config
 * @className com.wanglin.reggie.config.WebMvcConfig
 * @copyright Copyright 2020 Theofanis, Wang Lin All rights reserved.
 */
@Slf4j
@Configuration // @EnableWebMvc
public class WebMvcConfig extends WebMvcConfigurationSupport {
    /**
     * 设置静态资源映射
     * @param registry
     */
    @Override
    protected void addResourceHandlers(ResourceHandlerRegistry registry) {
        log.info("开始进行静态资源映射......");
        // 映射backend目录下的静态资源
        registry.addResourceHandler("/backend/**")
                .addResourceLocations("classpath:/backend/");
        // 映射front目录下的静态资源
        registry.addResourceHandler("/front/**").
                addResourceLocations("classpath:/front/");
    }

    //扩展mvc框架的消息转换器
    @Override
    protected void extendMessageConverters(List<HttpMessageConverter<?>> converters) {
        log.info("扩展消息转换器......");
        //1、创建消息转换器对象
        MappingJackson2HttpMessageConverter converter = new MappingJackson2HttpMessageConverter();
        //2、设置对象转换器，底层使用Jackson将Java对象转为json
        converter.setObjectMapper(new JacksonObjectMapper());
        //3、将消息转换器对象追加到mvc框架的转换器集合中
        converters.add(0, converter);
    }
}
